This series uses a variety of fun and challenging exercises to provide students with extra practice in basic skill concepts. “Brain Teasers” sections provide an extra challenge in critical thinking for all students, including accelerated students who want to refresh their knowledge of basic skills. Each workbook contains exercises based on national standards to help ensure that students master the skills they are learning in class. Skill Builders combine entertaining and interactive activities with eye-catching graphics that help make learning and reviewing basic skills both fun and effective. Skill Builders are great for keeping children current during the school year or preparing them for the grade ahead during the summer. Reproducible. 64 perforated pages. 6" x 9".